12642682807155 has 16 divisors (see below), whose sum is σ = 20259269984160. Its totient is φ = 6732438332928.

The previous prime is 12642682807141. The next prime is 12642682807177. The reversal of 12642682807155 is 55170828624621.

It is a happy number.

It is not a de Polignac number, because 12642682807155 - 2⁵ = 12642682807123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12642682807095 and 12642682807104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645354310 + ... + 645373899.

It is an arithmetic number, because the mean of its divisors is an integer number (1266204374010).

Almost surely, 2^{12642682807155} is an apocalyptic number.

12642682807155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12642682807155 is a deficient number, since it is larger than the sum of its proper divisors (7616587177005).

12642682807155 is a wasteful number, since it uses less digits than its factorization.

12642682807155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290728870.

The product of its (nonzero) digits is 12902400, while the sum is 57.

The spelling of 12642682807155 in words is "twelve trillion, six hundred forty-two billion, six hundred eighty-two million, eight hundred seven thousand, one hundred fifty-five".